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| author | Bin Meng <bmeng.cn@gmail.com> | 2015-02-02 22:35:25 +0800 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2015-02-06 12:07:40 -0700 |
| commit | 3c8ae536ec26ffc7715e38876b43f88286a98fd8 (patch) | |
| tree | 869c4c7a517a439953bb5fbb14601c8c5055f1a1 /arch/x86 | |
| parent | faa832329932c4559a8d03d4212881b6146da5df (diff) | |
| download | u-boot-imx-3c8ae536ec26ffc7715e38876b43f88286a98fd8.zip u-boot-imx-3c8ae536ec26ffc7715e38876b43f88286a98fd8.tar.gz u-boot-imx-3c8ae536ec26ffc7715e38876b43f88286a98fd8.tar.bz2 | |
x86: Define macros for pci configuration space access
Move PCI_REG_ADDR and PCI_REG_DATA from arch/x86/lib/pci_type1.c to
arch/x86/include/asm/pci.h, also define PCI_CFG_EN so that these
macros can be used for pci configuration space access.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Acked-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'arch/x86')
| -rw-r--r-- | arch/x86/include/asm/pci.h | 13 | ||||
| -rw-r--r-- | arch/x86/lib/pci_type1.c | 7 |
2 files changed, 13 insertions, 7 deletions
diff --git a/arch/x86/include/asm/pci.h b/arch/x86/include/asm/pci.h index c30dd4c..a153dd1 100644 --- a/arch/x86/include/asm/pci.h +++ b/arch/x86/include/asm/pci.h @@ -1,4 +1,3 @@ - /* * (C) Copyright 2002 * Daniel Engström, Omicron Ceti AB, daniel@omicron.se @@ -9,6 +8,14 @@ #ifndef _PCI_I386_H_ #define _PCI_I386_H_ +/* bus mapping constants (used for PCI core initialization) */ +#define PCI_REG_ADDR 0xcf8 +#define PCI_REG_DATA 0xcfc + +#define PCI_CFG_EN 0x80000000 + +#ifndef __ASSEMBLY__ + #define DEFINE_PCI_DEVICE_TABLE(_table) \ const struct pci_device_id _table[] @@ -49,4 +56,6 @@ void pci_write_config8(pci_dev_t dev, unsigned where, unsigned value); void pci_write_config16(pci_dev_t dev, unsigned where, unsigned value); void pci_write_config32(pci_dev_t dev, unsigned where, unsigned value); -#endif +#endif /* __ASSEMBLY__ */ + +#endif /* _PCI_I386_H_ */ diff --git a/arch/x86/lib/pci_type1.c b/arch/x86/lib/pci_type1.c index 13942a3..a251adc 100644 --- a/arch/x86/lib/pci_type1.c +++ b/arch/x86/lib/pci_type1.c @@ -12,6 +12,7 @@ #include <common.h> #include <asm/io.h> #include <pci.h> +#include <asm/pci.h> #define cfg_read(val, addr, op) (*val = op((int)(addr))) #define cfg_write(val, addr, op) op((val), (int)(addr)) @@ -21,7 +22,7 @@ static int \ type1_##rw##_config_##size(struct pci_controller *hose, \ pci_dev_t dev, int offset, type val) \ { \ - outl(dev | (offset & 0xfc) | 0x80000000, (int)hose->cfg_addr); \ + outl(dev | (offset & 0xfc) | PCI_CFG_EN, (int)hose->cfg_addr); \ cfg_##rw(val, hose->cfg_data + (offset & mask), op); \ return 0; \ } @@ -34,10 +35,6 @@ TYPE1_PCI_OP(write, byte, u8, outb, 3) TYPE1_PCI_OP(write, word, u16, outw, 2) TYPE1_PCI_OP(write, dword, u32, outl, 0) -/* bus mapping constants (used for PCI core initialization) */ -#define PCI_REG_ADDR 0x00000cf8 -#define PCI_REG_DATA 0x00000cfc - void pci_setup_type1(struct pci_controller *hose) { pci_set_ops(hose, |